Access tansun.com. TANSUN, the UK's leading Infrared Heater Manufacturer

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value530 ms

55/100

30%

CLS (Cumulative Layout Shift)

Value0.404

25/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

tansun.com

176 ms

427 ms

consent.js

137 ms

bootstrap.css

76 ms

jquery.bxslider.min.css

149 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 81% of them (67 requests) were addressed to the original Tansun.com, 5% (4 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Consent.cookiefirst.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Tansun.com.

Content Size

4.6 MB

After Optimization

4.3 MB

In fact, the total size of Tansun.com main page is 4.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 110.5 kB

Original 124.2 kB
After minification 83.8 kB
After compression 13.6 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 40.4 kB, which is 33% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 110.5 kB or 89% of the original size.

Image Optimization

-3%

Potential reduce by 122.2 kB

Original 4.3 MB
After minification 4.2 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. TANSUN images are well optimized though.

JavaScript Optimization

-28%

Potential reduce by 40.9 kB

Original 145.7 kB
After minification 145.7 kB
After compression 104.8 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 40.9 kB or 28% of the original size.

CSS Optimization

-39%

Potential reduce by 16.0 kB

Original 41.3 kB
After minification 41.3 kB
After compression 25.3 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Tansun.com needs all CSS files to be minified and compressed as it can save up to 16.0 kB or 39% of the original size.

Requests Now

After Optimization

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TANSUN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

High

Some elements have a [tabindex] value greater than 0

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

EN
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tansun.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Tansun.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

tansun.com

Open Graph description is not detected on the main page of TANSUN. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

Report Summary

Performance

Accessibility

Best Practices

SEO

TANSUN, the UK's leading Infrared Heater Manufacturer

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

tansun.com

consent.js

bootstrap.css

jquery.bxslider.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

tansun.com

consent.js

bootstrap.css

jquery.bxslider.min.css

jquery.fancybox.min.css

StyleSheet.css

TomsStyleSheet.css

jquery.min.js

jquery.bxslider-rahisified.js

jquery.matchHeight-min.js

jquery.fancybox.min.js

modernizr-custom.js

tansun.js

translator.01.js

css

analytic_events.js

banner.no-autoblock.js

gtm.js

GetRegionalLanguages.aspx

analytics.js

langauge_cross.svg

close-icon.svg

enquire-icon-brown.svg

brown-gradiant-btn.png

plus-icon.svg

83-logo.svg

location-icon.svg

phone-icon.svg

1446-Custom-Icon-Design-Flag-3-United-Kingdom-flag.ico

cross.svg

search-icon.svg

logo.svg

enquire-icon.svg

menu-icon.svg

nav-bg.png

2069-banner_image_heat_panel2.jpg

scroll-icon.svg

2071-edit.jpg

1096-Tansun-Apollo-infrared-heaters-at-davis-cup-final-stadium.jpg

1768-1123-ProductImage_740_740.jpg

arrow-right-dark.svg

1769-1116-SectorsImage_740_740.jpg

1770-1118-heatingsolutionsimage_740_740.jpg

1771-1121-casestudyimage_740_740.jpg